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      1 /*	$NetBSD: linux_olduname.c,v 1.68 2021/09/23 06:56:27 ryo Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Frank van der Linden and Eric Haszlakiewicz.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: linux_olduname.c,v 1.68 2021/09/23 06:56:27 ryo Exp $");
     34 
     35 #include <sys/param.h>
     36 #include <sys/systm.h>
     37 #include <sys/kernel.h>
     38 #include <sys/mbuf.h>
     39 #include <sys/mman.h>
     40 #include <sys/mount.h>
     41 
     42 #include <sys/syscallargs.h>
     43 
     44 #include <compat/linux/common/linux_types.h>
     45 #include <compat/linux/common/linux_mmap.h>
     46 #include <compat/linux/common/linux_signal.h>
     47 #include <compat/linux/common/linux_olduname.h>
     48 #include <compat/linux/common/linux_machdep.h>
     49 
     50 #include <compat/linux/linux_syscallargs.h>
     51 
     52 /* Used on: (alpha), arm, i386, mips, ppc */
     53 /* Not used on: aarch64, sparc */
     54 /* Alpha: XXX Only if we assume osf_utsname is used by Linux programs. */
     55 
     56 int
     57 linux_sys_olduname(struct lwp *l, const struct linux_sys_olduname_args *uap, register_t *retval)
     58 {
     59 	/* {
     60 		syscallarg(struct linux_oldutsname *) up;
     61 	} */
     62 	struct linux_oldutsname luts;
     63 
     64 	memset(&luts, 0, sizeof(luts));
     65 
     66 	strlcpy(luts.l_sysname, linux_sysname, sizeof(luts.l_sysname));
     67 	strlcpy(luts.l_nodename, hostname, sizeof(luts.l_nodename));
     68 	strlcpy(luts.l_release, linux_release, sizeof(luts.l_release));
     69 	strlcpy(luts.l_version, linux_version, sizeof(luts.l_version));
     70 	strlcpy(luts.l_machine, LINUX_UNAME_ARCH, sizeof(luts.l_machine));
     71 
     72 	return copyout(&luts, SCARG(uap, up), sizeof(luts));
     73 }
     74